4139378244 has 27 divisors (see below), whose sum is σ = 10464404223. Its totient is φ = 1379664072.

The previous prime is 4139378231. The next prime is 4139378351. The reversal of 4139378244 is 4428739314.

The square root of 4139378244 is 64338.

It is a perfect power (a square), and thus also a powerful number.

4139378244 is a `hidden beast` number, since 4 + 1 + 39 + 378 + 244 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4139378244.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 380667 + ... + 391389.

Almost surely, 2^4139378244 is an apocalyptic number.

4139378244 is the 64338-th square number.

It is an amenable number.

4139378244 is an abundant number, since it is smaller than the sum of its proper divisors (6325025979).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4139378244 is an equidigital number, since it uses as much as digits as its factorization.

4139378244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21456 (or 10728 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The cubic root of 4139378244 is about 1605.6283864294.

The spelling of 4139378244 in words is "four billion, one hundred thirty-nine million, three hundred seventy-eight thousand, two hundred forty-four".